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NeTakaya
3 years ago
12

23. What is the concentration of water in the beaker?

Biology
1 answer:
Ira Lisetskai [31]3 years ago
5 0

Answer:

Molarity is the most useful concentration for chemical reaction in solution ... As an example, suppose we dissolve 23 g of ammonium chloride (NH4Cl) in enough water ... Now, suppose we have a beaker with 175 mL of a 0.55 M HCl solution.Explanation:

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3 years ago
What are some facts about fertilization?
Shkiper50 [21]

Answer:

Internal Fertilization: Mammals,birds and reptiles in them the mode of fertilization is internal

External Fertilization: Amphibians and fishes used external fertilization.

Egg laying Animals;Birds,reptiles and some mammals platypus lays eggs.

Explanation:

Fertilization is a process in which a female egg (Ovum) and male egg (sperm) unite to form a zygote.A zygote is a fertilized egg which grows within an embryo.The process of fertilization is important in eukaryotes such as animals, humans,birds and plants. Fertilization divides a cell into many daughter cells by the process of mitosis and meiosis.It doubles the chromosome numbers.Fertilization are of two types internal and external.

8 0
3 years ago
An increase in the greenhouse effect causes an increase in___
andriy [413]

The answer is option B "temperature." Greenhouse effect is the process of trapping the suns heat in the lower atmosphere. A increase of greenhouse effect would cause surface temperatures to rise.  Which then contributes to global warming because of melting the ice bergs in cooler areas on Earth and causing waters to rise and creating storms. It's not option A because the sun gives off heat or harmful radiant waves which doesn't increase carbon dioxide levels. Wouldn't be option D because it would contribute but it wouldn't happen without a increase of temperature. It also wouldn't be option C because oxygen isn't relevant in this case.

Hope this helps.

6 0
3 years ago
On a hot summer day in Florida, Sarah was having a picnic with her family. She took a glass,
Simora [160]

Options were missing from the question so the options are:

A.From the ice cube to the glass.

B. From the lemonade to the glass.

C. From the lemonade to the ice cube.

D. From the ice cube to the lemonade.

Answer:  Option C

Explanation:

The main principle of heat transfer is that heat always flows from the hotter body to the colder body.

Here, the hotter body is thermos in which the lemonade was kept and the colder body is cooler in which the ice was kept.

During the mixing of lemonade into ice, the heat will from the hotter body to the colder body which means from lemonade to the ice. This process of heat transfer is unidirectional( hot body to cold body).

Hence, the correct answer is option C.

4 0
3 years ago
A period in the embryonic stage during which certain developments must occur because they will not occur later is called the ___
bija089 [108]
Critical period because they had fully developed their vision
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3 years ago
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